Datasheet

9

Rev. 1.0

2023-07-11

OPTIREG™ linear TLE4263-2GS

5 V low drop voltage regulator

Functional description

Note:

The reset output is “low” within the range VQ = 1 V to VQ,rt.

Line regulation

∆VQ.li

–3

25

mV

VI = 6 V to 28 V;

IQ = 150 mA

P_4.2.10

Power supply ripple

rejection

PSRR

–54

–

dB

2)fr = 100 Hz;

Vr = 0.5 Vpp

P_4.2.11

Reset Generator

Switching threshold

VQ,rt

4.5

4.65

4.8

V

VRADJ = 0 V

P_4.2.12

Reset adjust threshold

VRADJ,th 1.26

1.36

1.44

V

3.5V ≤ VQ < 5 V

P_4.2.13

Reset low voltage

VRO,l

–0.10

0.40

V

IRO = 1 mA

P_4.2.14

Saturation voltage

VD,sat

–

50

110

mV

VQ < VRAD,th

P_4.2.15

Upper timing threshold

VDU

1.40

1.70

2.20

V

–

P_4.2.16

Lower reset timing

threshold

VDRL

0.20

0.35

0.59

V

–

P_4.2.17

Charge current

ID,ch

40

60

88

µA

–

P_4.2.18

Reset delay time

trd

1.3

2.8

4.1

ms

CD = 100 nF

P_4.2.19

Reset reaction time

trr

0.5

1.2

4.0

µs

CD = 100 nF

P_4.2.20

Watchdog

Discharge current

ID,wd

4.40

6.25

9.40

µA

VD = 1.0 V

P_4.2.22

Upper timing threshold

VDU

1.40

1.70

2.20

V

–

P_4.2.24

Lower timing threshold

VDWL

0.20

0.35

0.55

V

–

P_4.2.25

Watchdog trigger time

TWI,tr

16

22.5

27

ms

CD = 100 nF

VQ > VQ,RT

P_4.2.26

Watchdog output low

time

TWD,L

1.0

2.10

3.50

ms

CD = 100 nF

VQ > VQ,RT

P_4.2.27

Watchdog period

TWI,p = TWD,L + TWI,tr

TWD,p

17

24.6

30.5

ms

CD = 100 nF

VQ > VQ,RT

P_4.2.28

Inhibit

Switching voltage

VINH,ON

3.6

–

–

V

IC turned on

P_4.2.29

Turn-OFF voltage

VINH,OFF ––

0.8

V

IC turned off

P_4.2.30

Input current

IINH

510

27

µA

VINH = 5 V

P_4.2.31

1) Drop voltage = Vi - VQ (measured when the output voltage has dropped 100 mV from the nominal value obtained at 6 V

input).

2) Not subject to production test, specified by design.

Table 5

Electrical characteristics (cont’d)

VI = 13.5 V; VINH > 3.6 V Tj = -40°C to +150°C ; (unless specified otherwise)

Parameter

Symbol

Values

Unit Note or Test Condition

Number

Min.

Typ.

Max.